Pipette holder



FIG. 1 is a top and right front perspective view of a pipette holder showing our new design;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a bottom plan view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a left side elevational view of FIG. 1; and

FIG. 7 is a right side elevational view of FIG. 1. 

The ornamental design for a pipette holder, as shown and described. 